Page 12 - Apollo - Check Valve Catalog

CHECK VALVES

Ball Valve with Integral Check
70-100-BC The 70-100-BC Series ball valve combines two functions in a single design:
positive shut-off and bubble-tight check capabilities. The BC Series is a
unidirectional version of the industry-standard Apollo 70 Series ball valve. An
easy flow design and superior check valve make these valves a smart choice
for water or air in mechanical systems or OEM applications. Rated at 250 psi
WOG and maximum temperature of 200°F.
FEATURES
• Blowout-proof stems • Chromium-plated ball
• RPTFE seats and stuffing box ring • Positive shut-off and bubble-tight
• Adjustable packing gland check capability

70-100-BC MATERIALS OF CONSTRUCTION
Female x Female Threaded 1 Body B584-C84400
1/2” through 2” 2 Retainer B16 (1/2”-1”)
B584-C84400 (1-1/4”-2”)
3 Ball B16 Brass Chrome Plated
4 Check Valve Insert Acetal
5 Stem B16 Brass
6 Gland Nut B16 Brass
7 Lever and Grip Steel, Zinc-plated w/vinyl
8 Lever Nut Steel, Zinc-plated
9 O-Ring Buna-N
10 Seat (2) Reinforced TFE
11 Body Seal TFE (1-1/4” - 2”)
12 Stem Packing Reinforced TFE
13 Stem Bearing Reinforced TFE
14 Seal EPDM (1/2”)
15 Retaining Ring Spring Steel (1/2”)

Dimensional Specifications
Item Number Size A B C D E Wt./100
70-103-BC 1/2” 0.50 1.12 2.25 1.80 3.87 0.63
70-104-BC 3/4” 0.68 4.50 3.00 2.12 4.87 1.33
70-105-BC 1” 0.87 1.68 3.37 2.25 4.87 1.77
70-106-BC 1-1/4” 1.00 2.00 4.00 2.73 5.50 3.29
70-107-BC 1-1/2” 1.25 2.18 4.37 3.09 8.00 4.63
70-108-BC 2” 1.50 2.34 4.68 3.28 8.00 6.01

RTFE Seats
300
Pressure - PSIG 200
250
150
100
50
0° 50° 100° 150° 200° 250°
Temperature °F

NOTE: Not recommended for use with reciprocating pumps and similar applications.
Low flows may result in undesirable noise and premature valve failure. See page 6 for
additional precautions.

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